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SubjectRe: [PATCH v4 4/6] KVM: MMU: prefetch ptes when intercepted guest #PF


Marcelo Tosatti wrote:

>> +
>> + if (is_rsvd_bits_set(vcpu, gpte, PT_PAGE_TABLE_LEVEL))
>> + break;
>
> BTW, doesnt sync_page also lack reserved bit checking? (unrelated to
> this patch).
>

I think it's not since if EPT is enabled, no unsync page exist, the sync page
path can't be trigged. :-)


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